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ca13734bf0
Add kernel (Cortex-M0/M3/M4, Tricore, S32K, RISC-V ports), drivers, middleware (CAN stack, diagnostics, safety), applications, board support, build/test tooling, and documentation.
114 lines
2.9 KiB
C
114 lines
2.9 KiB
C
/**
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* @file gpio_driver.h
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* @brief GPIO driver interface
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*/
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#ifndef GPIO_DRIVER_H
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#define GPIO_DRIVER_H
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#include <stdint.h>
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#include <stdbool.h>
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#include "kernel.h"
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/* GPIO Configuration Constants */
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#define GPIO_MAX_PORTS 8
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#define GPIO_MAX_PINS_PER_PORT 16
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#define GPIO_MAX_INTERRUPTS 32
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/* GPIO Modes */
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typedef enum {
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GPIO_MODE_INPUT = 0,
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GPIO_MODE_OUTPUT = 1,
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GPIO_MODE_ALTERNATE = 2,
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GPIO_MODE_ANALOG = 3
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} GpioMode_t;
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/* GPIO Output Types */
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typedef enum {
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GPIO_OUTPUT_PUSH_PULL = 0,
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GPIO_OUTPUT_OPEN_DRAIN = 1
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} GpioOutputType_t;
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/* GPIO Pull Configuration */
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typedef enum {
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GPIO_PULL_NONE = 0,
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GPIO_PULL_UP = 1,
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GPIO_PULL_DOWN = 2
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} GpioPull_t;
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/* GPIO Speed */
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typedef enum {
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GPIO_SPEED_LOW = 0,
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GPIO_SPEED_MEDIUM = 1,
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GPIO_SPEED_HIGH = 2,
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GPIO_SPEED_VERY_HIGH = 3
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} GpioSpeed_t;
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/* GPIO Alternate Functions */
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typedef enum {
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GPIO_AF0 = 0,
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GPIO_AF1 = 1,
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GPIO_AF2 = 2,
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GPIO_AF3 = 3,
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GPIO_AF4 = 4,
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GPIO_AF5 = 5,
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GPIO_AF6 = 6,
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GPIO_AF7 = 7,
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GPIO_AF8 = 8,
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GPIO_AF9 = 9,
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GPIO_AF10 = 10,
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GPIO_AF11 = 11,
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GPIO_AF12 = 12,
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GPIO_AF13 = 13,
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GPIO_AF14 = 14,
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GPIO_AF15 = 15
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} GpioAlternateFunction_t;
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/* GPIO Interrupt Triggers */
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typedef enum {
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GPIO_INTERRUPT_NONE = 0,
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GPIO_INTERRUPT_RISING = 1,
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GPIO_INTERRUPT_FALLING = 2,
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GPIO_INTERRUPT_BOTH = 3
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} GpioInterruptTrigger_t;
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/* GPIO Pin Configuration */
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typedef struct {
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uint8_t port;
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uint8_t pin;
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GpioMode_t mode;
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GpioOutputType_t output_type;
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GpioPull_t pull;
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GpioSpeed_t speed;
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GpioAlternateFunction_t alternate_function;
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} GpioPinConfig_t;
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/* GPIO Interrupt Configuration */
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typedef struct {
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uint8_t port;
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uint8_t pin;
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GpioInterruptTrigger_t trigger;
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void (*callback)(uint8_t port, uint8_t pin);
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} GpioInterruptConfig_t;
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/* GPIO Driver Interface */
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KernelStatus_t gpio_init(const GpioPinConfig_t* config);
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KernelStatus_t gpio_deinit(uint8_t port, uint8_t pin);
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KernelStatus_t gpio_set_mode(uint8_t port, uint8_t pin, GpioMode_t mode);
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KernelStatus_t gpio_set_output_type(uint8_t port, uint8_t pin, GpioOutputType_t type);
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KernelStatus_t gpio_set_pull(uint8_t port, uint8_t pin, GpioPull_t pull);
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KernelStatus_t gpio_set_speed(uint8_t port, uint8_t pin, GpioSpeed_t speed);
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KernelStatus_t gpio_set_alternate_function(uint8_t port, uint8_t pin,
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GpioAlternateFunction_t af);
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KernelStatus_t gpio_write(uint8_t port, uint8_t pin, bool value);
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KernelStatus_t gpio_write_port(uint8_t port, uint16_t value);
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bool gpio_read(uint8_t port, uint8_t pin);
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uint16_t gpio_read_port(uint8_t port);
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KernelStatus_t gpio_toggle(uint8_t port, uint8_t pin);
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KernelStatus_t gpio_configure_interrupt(const GpioInterruptConfig_t* config);
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KernelStatus_t gpio_enable_interrupt(uint8_t port, uint8_t pin);
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KernelStatus_t gpio_disable_interrupt(uint8_t port, uint8_t pin);
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void gpio_process_interrupt(uint8_t port);
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#endif /* GPIO_DRIVER_H */
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